console
var app= new Vue({
el:"#app",
data:{
arr:
["a","b","c","d","e","f","g","h","i","j"],
person:
{name:"aa", age: 10, number:202020001},
personInfo:
{name:"aa",cc:["k3cheng1","k3cheng2","kecheng3"]}
},
})
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<div id="app">
<ul>
<li v-for="(item, index) in arr">{{index+1}}.{{item}}</li>
</ul>
<div v-for="(key, value) in person">{{value}}:{{key}}</div>
<br>
<div v-for="item in personInfo">
<div v-for="key in item">{{key}}</div>
</div>
</div>